Sarkozy, Hollande hold campaign rallies rance's President and UMP ruling party's candidate for the 2012 presidential election Nicol...

Sarkozy, Hollande hold campaign rallies

rance's President and UMP ruling party's candidate for the 2012 presidential election Nicolas Sarkozy shakes hands with supporters during a campaign meeting at the Place de la Concorde, Paris, France, April 15, 2012. (Xinhua/Etienne Laurent)

Supporters gather for France's President and UMP ruling party's candidate for the 2012 presidential election Nicolas Sarkozy during a campaign meeting at the Place de la Concorde, Paris, France, April 15, 2012. (Xinhua/Etienne Laurent)

Socialist Party candidate for the 2012 French presidential election Francois Hollande waves during a campaign meeting in front of the Chateau de Vincennes, Paris, France, April 15, 2012. (Xinhua/Laurent Zabulon)

Supporters are seen during Socialist Party candidate for the 2012 French presidential election Francois Hollande's campaign meeting in front of the Chateau de Vincennes, Paris, France, April 15, 2012. (Xinhua/Zheng Suchun)

France's President and UMP ruling party's candidate for the 2012 presidential election Nicolas Sarkozy (C) shakes hands with supporters during a campaign meeting at the Place de la Concorde, Paris, France, April 15, 2012. (Xinhua/Etienne Laurent)

Socialist Party candidate for the 2012 French presidential election Francois Hollande speaks during a campaign meeting in front of the Chateau de Vincennes, Paris, France, April 15, 2012. (Xinhua/Laurent Zabulon)

France's President Nicolas Sarkozy and French presidential election candidate Francois Hollande held separate campaign meetings in Paris April 15, 2012.